feat: Add API to set the dynamic window size for all reliable channel…

…s on a NetPeer

LiteNetLib/NetPeer.cs

@@ -5,6 +5,7 @@
 using System.Collections.Concurrent;
 using System.Collections.Generic;
 using System.Diagnostics;
+using System.Linq;
 using System.Net;
 using System.Threading;
 using LiteNetLib.Utils;
@@ -304,6 +305,13 @@ private void OverrideMtu(int mtuValue)
             _finishMtu = true;
         }
 
+        public void SetDynamicWindowSize(int size)
+        {
+            foreach (var channel in _channels)
+                if (channel is ReliableChannel reliableChannel)
+                    reliableChannel.CurrentDynamicWindowSize = size;
+        }
+
         /// <summary>
         /// Returns packets count in queue for reliable channel
         /// </summary>